Gas prices in South Carolina
EIA does not publish a weekly retail gasoline price for South Carolina. The federal survey prices the district South Carolina sits in, Lower Atlantic (PADD 1C), at $3.78 per gallon in the week of August 31, 2026, 29 cents below the US average of $4.07. Pump prices inside the district vary around that figure.
On-highway diesel for Lower Atlantic (PADD 1C) is $5.28, 32 cents below the US diesel average of $5.60. EIA runs the diesel survey for California and the regions only, so every other state carries its district figure here. The I-95 and I-26 corridors are favoured fuel stops for cross-state drivers.
[EIA regional: Lower Atlantic (PADD 1C)] Series EMM_EPMR_PTE_R1Z_DPG · State excise: 28.7 cents/gal · PADD 1
South Carolina's pump-price cost stack
Every gallon breaks down into five named slices. Applying the shares to the $3.78 figure above, and to South Carolina's own excise rate, the stack looks like this:
Crude / refining / distribution shares estimated from EIA Petroleum Marketing Monthly. Federal excise from FHWA Highway Statistics. State excise from the API Motor Fuel Tax Map and Tax Foundation 2026. [EIA · 31 Aug 2026] [API · 31 Aug 2026]
Border-state comparison
How the neighbours read in the same survey week. Neighbours inside the same EIA district carry the same published figure, which is why several rows can match exactly.
Use the border comparator to compute the per-tank difference where the two states fall in different EIA districts.
Metro-level EIA series for South Carolina
EIA publishes no metro-level retail series inside South Carolina. Its ten metro series cover Boston, New York City, Miami, Cleveland, Chicago, Houston, Denver, Los Angeles, San Francisco and Seattle. We do not have a sourced within-state breakdown for South Carolina and are not going to estimate one.
FAQ
What is the current average price of regular gas in South Carolina?
EIA does not publish a weekly retail gasoline price for South Carolina. The federal survey prices the district South Carolina sits in, Lower Atlantic (PADD 1C), at $3.78 per gallon in the week of August 31, 2026, 29 cents below the US average of $4.07. Pump prices inside the district vary around that figure. [EIA regional: Lower Atlantic (PADD 1C)]
Does EIA publish a price for South Carolina?
No. EIA prices the US, the five PADDs, three PADD 1 sub-districts, West Coast less California, ten metro areas and nine states. South Carolina is not among them, so this page shows Lower Atlantic (PADD 1C) and labels it.
What is South Carolina's state gas tax?
28.7 cents per gallon state excise, plus the 18.4 cents federal excise. [API · 31 Aug 2026]